CVE-2018-5332
HIGH severity · CVSS 7.8 · Out-of-bounds write
7.8CVSS HIGH
Summary
In the Linux kernel through 3.2, the rds_message_alloc_sgs() function does not validate a value that is used during DMA page allocation, leading to a heap-based out-of-bounds write (related to the rds_rdma_extra_size function in net/rds/rdma.c).
Impact & exploitability
Attack vectorLocal
Attack complexityLow
Privileges requiredLow
User interactionNone
Confidentiality impactHigh
Integrity impactHigh
Availability impactHigh
Exploit probability (EPSS)0%
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Affected products we track (1)
Recommendation
Apply the vendor fix promptly. Open any affected product above for its exact safe version.
Official patch: http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=c095508770aebf1b9218e77026e48345d719b17c ↗
Additional information
- NVD record
- http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=c095508770aebf1b9218e77026e48345d719b17cPatch
- https://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git/commit/?id=60daca9efbb3e4109ebc1f7069543e5573fc124ePatch
- https://github.com/torvalds/linux/commit/c095508770aebf1b9218e77026e48345d719b17cPatch
- http://www.securityfocus.com/bid/102507Advisory
- https://access.redhat.com/errata/RHSA-2018:0470Advisory
- https://lists.debian.org/debian-lts-announce/2018/05/msg00000.htmlAdvisory
- https://usn.ubuntu.com/3617-1/Advisory
- https://usn.ubuntu.com/3617-2/Advisory